1) A spiral Column having a diameter of 600 mon is reinforced with 8-28mm diameter vertical bars enclosed in a 10 mm spiral Concrete cover is 10mm Fc - 21 APA and fy. 115 MPa for main bars a) Det the ultimate axual capacity of the cohen b) Det the minimum spindl, ratio in % Spiral strength is 275 MPG. c) Det the pitch of the spiral 2) A square tied column carries an axial load of 560 KN and an awal live had of 750 kN Assure fc: 28 MPa and fy: 275 MPa Use 20mm diameter bars a) Det the factored load that the column will carry 6.) Ibing reinforcement ratio of 2%, det the required dimension of rounded up to the nearest 10 me. a) Dad. the required #ox 20 mm diameter bars. the cotimn 1) A spiral Column having a diameter of 600 mon is reinforced with 8-28mm diameter vertical bars enclosed in a 10 mm spiral Concrete cover is 10mm Fc - 21 APA and fy. 115 MPa for main bars a) Det the ultimate axual capacity of the cohen b) Det the minimum spindl, ratio in % Spiral strength is 275 MPG. c) Det the pitch of the spiral 2) A square tied column carries an axial load of 560 KN and an awal live had of 750 kN Assure fc: 28 MPa and fy: 275 MPa Use 20mm diameter bars a) Det the factored load that the column will carry 6.) Ibing reinforcement ratio of 2%, det the required dimension of rounded up to the nearest 10 me. a) Dad. the required #ox 20 mm diameter bars. the cotimn